1. endospore

noun. a small asexual spore that develops inside the cell of some bacteria and algae.

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2. endospore-forming_bacteria

noun. a group of true bacteria.


  • eubacteria
  • eubacterium

Sentences with endospore

1. Noun, singular or mass
Many other organelles besides those already described are present in the mold spore but absent in the bacterial endospore.

2. Determiner
When a required nutrient in the environment becomes depleted or absent, signals get sent to the bacteria to begin endospore formation.